Sánchez-Larios, H., and S. Guillén-Burguete. 2010. “A Theoretical Framework for Modeling Asymmetric, Nonpositive Definite and Nonuniform Distance Functions on R Exp. N”. Journal of Applied Research and Technology 8 (03). https://doi.org/10.22201/icat.16656423.2010.8.03.466.